Machine for displaying wall-paper.



G. VANDERGROUND. MACHINE FOR DISPLAYING WALL PAPER.

, APPLICATION FILED MAR. 25. l9.l8.-- 1,274,637. Patented Aug. 6, 19m

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\ G VANDERGROUND. MACHINE FOR DISPLAYING WALLPAPER.

APPLICATION FILED MAR.25. I918.-

1,274,637. I Patented Aug. 6, 1918.

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MACHINE r03 DISPLAYING WALL-PAPER.-

Application filed March 25, 1918.

To all whom it may concern:

Be it known. that I, GEORGE VANDER- GROUND, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented. certain new and useful Improvements in Machines for Displaying Wall-Paper, of which the following is a specification.

This invention relates to machines for displaying wall paper or the like, a machine being of that type in which the plurality of arms are arranged to swing around upon a stand, the arms carrying the paper or articles to be exhibited, and being picked up one by one and passed around intermittently, allowing periods for inspection of the articles.

The object of the invention is to provide improved means for picking up the arms successively and swinging the same about a half revolution at each operation.

In the accompanying drawings, Figure 1 is a side elevation; Fig. 2 is a top plan view;

4 and 5 are details showing the pickup device in three different positions. Fig. 6 is a detail showing the connection of the arms to a central support.

Referring specifically to the drawings, 1

indicates a pedestal which supports the machine. This is provided at the top with a fixed rod or shaft 2 on which some of the parts turn, and which supports a cover 3 which incloses the motor mechanism. Mounted on the upper end of the pedestal is a disk or table 1, which can be'turned when sufficient pressure is applied thereto, and

this disk supports the arms 5 wl1ich ride thereon and which are provided with extensions 6 which carry the wall paper 7 or other samples to be exhibited. The inner ends of the arms 5 are forked as shown at 8, seeFig. 6, to engage a depending flange 9 on the circular disk 10 which is fixed to the rod 2, the flange serving to guide the arms as they are carried around. Each arm is provided with a spacing block 11, which rides on the disk 1, the whole number of blocks being sufiicient to occupy somewhat more than half the circumference of the disk. The rod 2 also supports a shelf 12, fixed thereto, and on this is mounted an electric motor 13, the shaft of which has a worm 14 meshing with a'wor'm wheel 15 on the vertical shaft 16 which carries a pinion 17 which meshes with a large gear 18 which is free to turn on the shaft 2. By the means described,

Specification of Letters Patent.

Patented Aug. 6,1918. Serial No, 224,498. I

the motor drives the large gear in the direction shown by the arrow thereon. On its upper side the gear 18 has two cams 19.

The hub 20 of the gear has hinged thereto two arms 21, the hinge pins being indicated at 22, permitting the arms to lift or drop, the extent of drop, however, being limited by stops 23 under the arms. At the outer end of each arm is a frame 24: with parallel vertical flanges between which is pivoted a tripping device and also a pickup device or plate 25. The tripping device consists of a lever 26 with a weighted head 27 at the front end, which tends to drop to contac't with the frame 2 1, and a tail or rear end 28 which is adapted to wipe against the upper end of the pick-up plate 25 when the latter is in a certain position, as shown inFig. 3, and acts as a latch to prevent'tilt of the pick-up plate. The lever 26 also has an upwardly projecting arm 29 to be described.

The bracket or ha1'1ger'30 is fastened to the rod 2 and supports a segmental plate .31 which overlies the arms 5, and forms a sort of track for the pick-up late 25 to travel over.

The hanger 30 also supports a depending finger 32, and another depending finger 33, [the latter being attached to a rod 3 1 by adapted to lift the arms 21 as they pass thereover, and the hanger 30 also has a dependingfinger 36 adapted to strike a projection 37 on the pick-up 25 as it passes thereunder. The plate 31 also supports a slide plate 38, at the end where the arms are picked up, this plate being connected to a spring stop arm 39 which projects from the rod 2 to which'it is fixed.

The operation is as follows:

The arms are successively picked up at or about the position A, Fig. 2, and carried around to the position B. The motor drives the gear wheel 18 and this wheel carries with it the arms 21.

At the position A, and as shown in Fig. 5, the pick-up plate 25 is about to drop off the end of the segment plate 31, and when it does its lower edge drops behind the first arm5 which at that time is stopped against the arm 39. At or about this time one of the cams 19 passes under the arm 39 and lifts the outer end thereof, to release the arm 5, and the pick-up plate 25 swings the arm 5 as shown in Fig. 3, the arm 28 of a latch lever holding the pick-up plate in proper position for this purpose as shown in Fig. 3; and the arm 5 is carried around to the position B. lVhen it reaches such position the finger 32 strikes the arm 29 and tiltsthe tripper, as shown in Fig. 4, thereby releasing the arm 5, and permitting the pick-up plate 25 to ride up onto the track plate 31. However, this release does not occur until after the block 11, on the arm 5 being moved, strikes the block 11 on the arm next in advance and turns all the arms 5, as well as the disk i, a distance corresponding to the length of each block 11; that is, it turns the whole structure one step. The friction between the blocks 11 and the disk 4 is sufii'cient to turn the disk with the blocks, and the same movement thus anvances the first arm on the opposite side, to the position A, in position to be picked up at the next operation. In the manner shown in'Fig. 4 the pick-up'plate carried by the arm 21 travels around the plate 31, and when it reaches the cam 35, the arm 21 is lifted or swings upon on its hinge and at the same time the projection 37 strikes the finger 36 and is flipped or swung to the reverse position, and after passing the arm 35, the carrier arm 21 drops, and when the pick-up plate runs off the plate 31, the next arm 5 is picked up and the operation is repeated.

The arm 39 acts as a stop at each turn of the disk or table 4, and being made of spring metal yields to a certain extent to prevent undue shock, and therefore, the plate 38 is provided to hold the arm 39 in proper position, the plate being slotted as shown at 38 to allow a certain amount of movement without wrecking the parts in consequence of the impact, and at the same time allowing the arm 39 to be sprung up by the cam 19.

By the means described the arms will be swung around step by step with a dwell during the time required for the arm to swing from position A to position B. This time may be doubled by the additional fi-nger 33.

That is, when this finger is let down it projects in advance of finger 32, and will act to strike the projection 29 on the tripper and release the pick-up plate before the corresponding arm 21 advances far enough to turn the disk 4: and the whole number of arms. When, however, the other arm 21 comes around the pick-up plate 25 thereon will not be released until the tripper strikes the finger 32, that is, after all the arms are advanced one step. The result is, that the arms are advanced at every other operation,

instead of at each operation, and so the samples will be exhibited twice as long as would otherwise be the case.

I claim:

l. The combination with a support, and a plurality of swinging display arms thereon, of means to successively swing the arms from one position to another, con'iprising a wheel, means to rotate the same, an arm projecting from the wheel, a pick-up device pivoted to the arm, a tripping device carried by the arm and engaging the pick-up device, means to set the pick-up device to engage a display arm at one position, and means to actuate the tripping device to release the pick-up device at another position.

2. The combination with a support, and a plurality of swinging'display arms thereon, of a wheel adapted to revolve above the arms and provided with a cam, means to revolve the wheel, a stop arm depending in position to limit the movement of the display arms and adapted to be engaged and lifted by the cam to release the foremost arm at one side of the support, and a pickup device carried by the wheel and adapted to engage said foremost arm and swing the same to the opposite side of the support.

3. The combination of a supporting disk, a plurality of swinging display arms thereon, a segmental track above the arms, a pickup device movable around upon the track and adapted to run off one end thereof and engage the foremost arms at one side of the disk and swing the same to the other side of the disk and then advance the whole body of arms a certain distance, and means to then release the pickup device from said foremost arm, to permit it to ride up onto the track. v

4. The combination with a support, and a succession of swinging display arms thereon, of means to successively advance the arms comprising a swinging arm, a pivoted pickup plate carried thereby and adapted to drop behind an arm and engage and swing the same, a tripper carried by said swinging arm and automatically engaging said pick-up plate when it so engages a display arm, and a finger projecting into the path of the tripper and adapted to operate the same and release the pick-up plate at the end of each operation.

5. The combination of a central shaft, a disk adapted to turn thereon, a succession of swinging display arms resting on the disk, a segmental track above said disk, a wheel revoluble on the shaft, a stop arm projecting from the shaft and depending in front of one end of the track, in the path of the display arms, a cam carried by the wheel and engaging said stop arm to lift the same and allow one disp ay arm to pass, pivoted tripper plate carried by the wheel and adapted to slide upon the track and drop arm so released, means adjacent to other end of the track to disengage the tripper' plate from said arm, and means to reset the tripper plate to engaging position as it travels along the track. i

6. The combination of a central shaft, a support thereon, a succession of swinging display arms connected to the shaft, and resting on the support, a Wheel rotatable on the shaft, means to drive the wheel, a segmental track located above the arms, and provided with a cam, an operating arm pivoted to the wheel to lift and drop and revolving therewith, and adapted to strike and be lifted by said cam, a pick-up device pivoted to the'outer end of said operatingarm and adapted to travel upon the track, and to drop off one end thereof and engage and swing the foremost display arm, means adjacent to other end of the track torelease the pick-up device, and a projecting finger above the track adapted to engage and reset the pick-up device while the operating arm is lifted by said cam.

In testimony whereof, I do affix my signature in presence of two witnesses.

GEORGE VANDERGROUND.

Witnesses: I

JOHN A. BOMMI-IARDT, ROBERTSON BOWIE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. 0." 

